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After the initial survey in 1958, there have been attempts to trace all members of this birth generational cohort in 1965, 1969, 1974, 1981, 1991, 1999–2000, 2004 and 2008 to get information concerning their physical, educational and social development.[1] During the period 2002-2004, genetic information on participants was also obtained to examine the genetic effects on common traits and diseases.[2]

The origins of the NCDS can be found in the Perinatal Mortality Survey (PMS) which was then sponsored by the National Birthday Trust Fund and set up to collect information about the social and obstetric factors associated with stillbirth and death in early infancy.[3] Examples of other topics which have since been included are medical care, health, home environment, educational progress, parental involvement, family relationships, economic activity, income, training and housing.[4]

The results of the NCDS have been used in over 1,700 publications, some of which can be found here. The report "Now we are 50" with the key findings of the NCDS has been published by the CLS on the occasion of the 50th anniversary of the NCDS in 2008. It is available to download here.